The Vum Height-Adjustable Workstation was designed with today's flexible working environments in mind. Affordable and durable, this workstation was built to be both functional and adaptable. Great for on the go or to anchor a home office. Get the most from your workday with this workstation. Mobile station on four casters, two locking. Features dual work surfaces; the top adjusts in height 12.25, the secondary shelf is stationary and has a hook for personal items. Features one plastic cup holder. Part of the Safco Active Collection: Safco Active products are designed to promote active movement throughout the day in many workplace settings.